noun 下载 🔗分享 锋利，锐利。 Sharpness or cutting ability Examples : "The chef's knife had a remarkable keenness, allowing him to slice the tomatoes with precision. " 这把厨师刀非常锋利，让他能够精准地切开西红柿。 quality ability 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 敏锐，精明 Astuteness or sagacity Examples : "The teacher praised the student's keenness in quickly identifying the key points in the complex history lesson. " 老师称赞这位学生在复杂的历史课上敏锐地抓住了重点。 mind character quality ability 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 热情，热忱，渴望 Eagerness or enthusiasm Examples : "Her keenness to learn new languages was evident in how quickly she picked up Spanish. " 她学习新语言的热情在她快速掌握西班牙语这件事上显露无疑。 attitude character quality emotion 与AI对话词汇游戏阅读练习
